1010122011 has 24 divisors (see below), whose sum is σ = 1507715456. Its totient is φ = 651006720.

The previous prime is 1010121967. The next prime is 1010122033. The reversal of 1010122011 is 1102210101.

It is a happy number.

It is not a de Polignac number, because 1010122011 - 2⁷ = 1010121883 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1010121984 and 1010122002.

It is not an unprimeable number, because it can be changed into a prime (1010122081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 521601 + ... + 523533.

Almost surely, 2^1010122011 is an apocalyptic number.

1010122011 is a deficient number, since it is larger than the sum of its proper divisors (497593445).

1010122011 is a wasteful number, since it uses less digits than its factorization.

1010122011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3843 (or 3840 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

The square root of 1010122011 is about 31782.4166953994. The cubic root of 1010122011 is about 1003.3626833527.

Adding to 1010122011 its reverse (1102210101), we get a palindrome (2112332112).

The spelling of 1010122011 in words is "one billion, ten million, one hundred twenty-two thousand, eleven".